Cole Thornton, a gunfighter for hire, joins forces with an old friend, Sheriff J.P. Hara. Together with an old Indian fighter and a gambler, they help a rancher and his family fight a rival rancher that is trying to steal their water.

A town Marshal, despite the disagreements of his newlywed bride and the townspeople around him, must face a gang of deadly killers alone at high noon when the gang leader, an outlaw he sent up years ago, arrives on the noon train.

Nun Sara is on the run in Mexico and is saved from cowboys by Hogan, who is preparing for a future mission to capture a French fort. The pair become good friends, but Sara never does tell him the true reason behind her being outlawed.